Home / 14,847.43-20,488.39-8,472.53

Finding the Fourth Proportional to 14,847.43, 20,488.39 and 8,472.53

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Solution

The fourth proportional to 14,847.43, 20,488.39 and 8,472.53 is: 11,691.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,847.43 : 20,488.39 = 8,472.53 : x
  2. Step 2: Convert to fraction form
    14,847.43/20,488.39 = 8,472.53/x
  3. Step 3: Cross multiply
    14,847.43x = 20,488.39 × 8,472.53
  4. Step 4: Simplify right side
    14,847.43x = 173,588,498.93
  5. Step 5: Solve for x
    x = 173,588,498.93/14,847.43
  6. Step 6: Final answer
    x = 11,691.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.